H ELECTRICITY
H03 ELECTRONIC CIRCUITRY
H03M CODING; DECODING; CODE CONVERSION IN GENERAL
H03M13/00 Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
H03M13/03 Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words